Baby pterosaurs could fly within minutes of hatching from their eggs

The wings of hatchling pterosaurs were ideally suited to powered flight, suggesting they took to the air almost immediately after emerging – unlike most modern birds

Baby Pterodactyls Could Fly From Hatching and Didn't Need Mother's Coddling - Archaeology

Baby pterosaurs were cute, defenceless and unable to fly

Hebrew Hatchlings, Reuven Chaim Klein

Powered flight in hatchling pterosaurs: evidence from wing form and bone strength

Baby pterosaurs may have hatched ready to fly right out of the egg

Could baby pterosaurs fly straight after hatching? - BBC Newsround

Pteranodon, The Isle Wiki

Would higher atmospheric pressure in the age of the dinosaurs have aided pterosaurs in flying with their large, fragile bodies? - Quora

pterosaur growth patterns